Improvements in devices for use in taking dental impressions
By: [Herman Dagett Osgood]
Contributors: Haseltine, Lake & Co
Publisher: Printed for His Majesty's Stationery Office by Malcomson & Co., Ltd
Place of publication: Redhill
Language: eng
Notes: Patent specification.

Contains both the provisional and the complete specification.

Patent reference : 1900/4628.